Sheet Conveyance Belt Unit Layout for Easier Belt Replacement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sheet conveyance apparatuses face poor workability during maintenance activities, particularly in replacing belts, due to complex disassembly and the need for handling heavy materials at heights.
Innovation Solution
A sheet conveyance apparatus with a pivotable accommodating unit and detachable belt unit, allowing for easy access and maintenance by transitioning between closed, open, and maintenance positions, facilitating belt replacement and maintenance without the need for extensive disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the belt unit is fixed inside the accommodating unit, then the sheet conveyance function is maintained, but the maintenance workability deteriorates due to complex disassembly requirements
Solution Approach 1:
The belt unit is designed to be movable between a retracted position (stored inside the accommodating unit) and a protruding position (accessible from the front). This dynamic positioning allows the belt unit to be easily accessed for maintenance while maintaining the compact structure during operation.
Solution Approach 2:
The belt unit is separated from the accommodating unit as an independent, detachable component. This segmentation allows the belt unit to be removed and replaced without disassembling the entire accommodating unit, significantly simplifying maintenance procedures.
2Ease of operation
If the accommodating unit is made fixed, then the structural stability is improved, but the ease of access for belt replacement deteriorates
Solution Approach 1:
The accommodating unit is designed with rotational capability around a pivot shaft, allowing it to dynamically change between a closed position (providing structural stability) and an open position (providing easy access for maintenance). This dynamic design resolves the contradiction between stability and accessibility.
3Ease of operation
If the belt unit is heavy and requires handling at heights, then the conveyance strength is improved, but the maintenance difficulty increases
Solution Approach 1:
The belt unit is designed to rotate to a horizontal protruding position where it can be easily accessed and handled from the front side. This dynamic positioning eliminates the need to handle heavy components at heights, as the belt unit can be removed and replaced in a convenient, accessible location.
Solution Approach 2:
The belt unit is extracted as a separate, detachable component that can be removed from the accommodating unit. This extraction allows maintenance personnel to handle and replace the belt unit without needing to disassemble the entire apparatus or work at heights, significantly reducing maintenance difficulty.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Improves maintenance workability by enabling easy access and replacement of belts, reducing the complexity and physical demands of maintenance tasks.
Implementation Method 1
a rotary member arranged to face the belt unit and configured to convey the sheet by nipping the sheet with the conveyance belt
Data Source
AI summary
A sheet conveyance apparatus configured to convey a sheet includes a casing, a belt unit, an accommodating unit, a moving unit, and a rotary member. The accommodating unit and the belt unit move to a first state, a second state, and a third state. In the first state, the accommodating unit is positioned at a closed position and the belt unit is positioned at a first position to convey the sheet by a conveyance belt. In the second state, the accommodating unit is positioned at an opening position and the belt unit is positioned at the first position to open a sheet conveyance path. In the third state, the accommodating unit is positioned at the opening position and the belt unit is positioned at a second position to allow the conveyance belt to attach to and detach from the belt unit.


